20699200

素因数分解:

$2^6\times 5^2\times {\mathrm{17}}^1\times {\mathrm{761}}^1$

素因数の和:800

約数の個数: 84

約数和(自身を含む): 53999892

約数和(自身を除く): 33300692

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 136, 160, 170, 200, 272, 320, 340, 400, 425, 544, 680, 761, 800, 850, 1088, 1360, 1522, 1600, 1700, 2720, 3044, 3400, 3805, 5440, 6088, 6800, 7610, 12176, 12937, 13600, 15220, 19025, 24352, 25874, 27200, 30440, 38050, 48704, 51748, 60880, 64685, 76100, 103496, 121760, 129370, 152200, 206992, 243520, 258740, 304400, 323425, 413984, 517480, 608800, 646850, 827968, 1034960, 1217600, 1293700, 2069920, 2587400, 4139840, 5174800, 10349600, 20699200]

約数ペア:

[(1, 20699200), (2, 10349600), (4, 5174800), (5, 4139840), (8, 2587400), (10, 2069920), (16, 1293700), (17, 1217600), (20, 1034960), (25, 827968), (32, 646850), (34, 608800), (40, 517480), (50, 413984), (64, 323425), (68, 304400), (80, 258740), (85, 243520), (100, 206992), (136, 152200), (160, 129370), (170, 121760), (200, 103496), (272, 76100), (320, 64685), (340, 60880), (400, 51748), (425, 48704), (544, 38050), (680, 30440), (761, 27200), (800, 25874), (850, 24352), (1088, 19025), (1360, 15220), (1522, 13600), (1600, 12937), (1700, 12176), (2720, 7610), (3044, 6800), (3400, 6088), (3805, 5440)]